Fix #1927: useful error message for failed edit

beetsplug/edit.py

@@ -46,7 +46,12 @@ def edit(filename, log):
     cmd = util.shlex_split(util.editor_command())
     cmd.append(filename)
     log.debug(u'invoking editor command: {!r}', cmd)
-    subprocess.call(cmd)
+    try:
+        subprocess.call(cmd)
+    except OSError as exc:
+        raise ui.UserError(u'could not run editor command {!r}: {}'.format(
+            cmd[0], exc
+        ))
 
 
 def dump(arg):

docs/changelog.rst

@@ -24,6 +24,8 @@ Fixes:
   LyricsWiki page markup. :bug:`1912` :bug:`1909`
 * :doc:`/plugins/lyrics`: Also fix retrieval from Musixmatch and the way we
   guess the URL for lyrics. :bug:`1880`
+* :doc:`/plugins/error`: Fail gracefully when the configured text editor
+  command can't be invoked. :bug:`1927`
 
 
 1.3.17 (February 7, 2016)